Patent · US Active

Input and output circuit of an integrated circuit and a method for testing the same

US7453282B2 · kind B2 · utility

4Cited by

8References

13Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Ralf Arnold · Aalen, DE
Martin Glas · Birkenfeld, DE
Christian Mueller · Wiesbaden, DE
Hans-Dieter Oberle · Puchheim, DE

Key dates

Filing date	May 24, 2006
Grant date	Nov 18, 2008
Priority date	—
Expiry date	Sep 16, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/318572
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An integrated circuit includes at least one input and output circuit including: a signal terminal that provides an external contact; a protective circuit coupled to the signal terminal; an input driver and/or an output driver coupled to the signal terminal via the protective circuit; and an additional circuit including a first input coupled to the signal terminal via the protective circuit, and an output that provides a test value for operation of the input and output circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.